airtel 3g data plans traffic downloading speed

After the release of Airtel 3g ,airtel bharati ltd has introduced their traffic plans.The traffic plans are very awesome and are priced at low rates.
Speed of Airtel 3G- 2.0mbps-7.0mbps.

3G plans:
Rs. 9 for 10 MB, validity 1 day
Rs. 45 for 40 MB Validity 3 days
Rs. 60 for 65 MB, validity 3 days
Rs. 103 for 100 MB, validity 30 days
Rs. 200 for 250 MB, validity 30 days
Rs. 450 for 600 MB, validity 30 days
Rs. 750 for 2 GB, validity 30 days